MSI B550-A PRO

MSI B550-A PRO AM4 DDR4 PCIe 4.0 SATA 6Gb/s M.2 USB 3.2 Gen 2 HDMI/DP ATX

MSI B550-A PRO AM4 DDR4 PCIe 4.0 SATA 6Gb/s M.2 USB 3.2 Gen 2 HDMI/DP ATX

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  • Support For 3Rd Gen AMD Ryzen Processors And Future AMD Ryzen Processors With BIOS Update
  • Supports Dual Channel DDR4 Memory Up To 128 GB (4400 Mhz)
  • Lightning Fast Game Experience: Pcie 4.0, Lightning Gen 4 M.2 With M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2
  • Core Boost Technology Combines Optimized Power Circuit Layouts And Digital Power Regulation Which Allows For Precise And Steady Current Delivery To The CPU
  • AUDIO BOOST Rewards Your Ears With Studio Grade Sound Quality For Immersive Gaming Experiences
  • Premium Thermal Solution: Heatsink Thermal Pad Rated For 7W/Mk And PCB With 2Oz Thickened Copper
  • Flash BIOS Button Lets Users Flash The BIOS Even Without A CPU Or Memory

Specifications Overview

Model
  • B550-A PRO
  • 7C56-002R
Release Date July 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Series PRO
Socket AM4
Form factor ATX
Chipset AMD B550
Supported Memory DDR4
1866Mhz 2133Mhz 2400Mhz 2666Mhz 2800Mhz 2933Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
Audio Chipset Realtek ALC892
Audio Channels 7.1 Channels
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 1 x DisplayPort
  • 1 x HDMI
  • 1 x LAN (RJ45)
  • 1 x PS/2 Keyboard/Mouse Combo
  • 1 x USB 3.2 Gen 2 Type-A
  • 1 x USB 3.2 Gen 2 Type-C
  • 2 x USB 3.2 Gen 1 Type-A
  • 4 x USB 2.0/1.1
  • 6 x Audio Jacks
Wireless LAN
PCI-Express x16 Slots 2
PCI-Express x4 Slots 0
PCI-Express x1 Slots 2
SATA 6 Gbps Ports 6
SATA Express Ports 0
M.2 Ports 2
M.2 Devices support
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2242 / 2260 / 2280 - M Key
RAM Slots 4
Maximum Supported RAM 128 GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 1
Onboard USB 3.2 Gen 2x2 0


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